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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Fort Bend County Municipal Utility District 115 Riverstone

Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

12

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
20166.05 ppb225.80 ppb - 6.30 ppb
20177.35 ppb227.20 ppb - 7.50 ppb
20186.70 ppb226.60 ppb - 6.80 ppb
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for dibromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-04AC62022ND
2014-08-04AC62020ND
2015-08-13AD04065ND
2015-09-29AD08934ND
2016-09-30AD523035.80 ppb
2016-09-30AD523046.30 ppb
2017-07-12AD890107.20 ppb
2017-07-12AD890077.50 ppb
2018-06-21AE309546.60 ppb
2018-06-21AE309536.80 ppb
2019-09-03AE81684ND
2019-09-03AE81686ND